Set to blast away competition at next month’s New York International Auto Show, the 2013 Mercedes-Benz SL65 AMG boasts much-improved specs – 0 to 60 mph in 3.9 seconds and a top speed of 186 mph. The redesigned SL65 AMG has a twin-turbocharged 6.0-liter direct-injection V12 that produces 621 horsepower and an impressive 738 pound-feet of torque. New turbochargers add 22 psi of boost while the car is amped up with new manifolds and blowers as well as revised cylinder heads. Replacing the traditional five-speed with an AMG Speedshift Plus seven-speed sequential automatic, implementing the ECO start-stop system, and creating significant weight reduction with an all-aluminum body-on-white have together combined to improve performance and fuel efficiency. While pricing has yet been released, the car is expected to retail in the range of $200,000 USD and will reach dealerships in November.